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| 型号： | SST89E554A-40-C-NJ |
| 厂商： | SILICON STORAGE TECHNOLOGY INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQCC44 |
| 封装： | PLASTIC, MS-018AC, LCC-44 |
| 文件页数： | 1/87页 |
| 文件大小： | 996K |
| 代理商： | SST89E554A-40-C-NJ |
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2003 Silicon Storage Technology, Inc.
S71228-00-000
6/03
1
The SST logo, SuperFlash, and FlashFlex are registered trademarks of Silicon Storage Technology, Inc.
These specifications are subject to change without notice.
Preliminary Specifications
FEATURES:
8-bit 8051-Compatible Microcontroller (MCU)
with Embedded SuperFlash Memory
– Fully Software Compatible
– Development Toolset Compatible
– Pin-For-Pin Package Compatible
SST89E554A Operation
– 0 to 40 MHz at 5V
SST89V554A Operation
– 0 to 33 MHz at 3V
1 KByte Internal RAM
Dual Block SuperFlash EEPROM
– 32 KByte primary block + 8 KByte secondary
block (128-Byte sector size for both blocks)
– Individual Block Security Lock with SoftLock
– Concurrent Operation during
In-Application Programming (IAP)
– Memory Overlay for Interrupt Support during IAP
Support External Address Range up to 64
KByte of Program and Data Memory
Three High-Current Drive Ports (16 mA each)
Three 16-bit Timers/Counters
Full-Duplex, Enhanced UART
– Framing Error Detection
– Automatic Address Recognition
Ten Interrupt Sources at 4 Priority Levels
– Four External Interrupt Inputs
Programmable Watchdog Timer (WDT)
Programmable Counter Array (PCA)
Four 8-bit I/O Ports (32 I/O Pins) and
One 4-bit Port
Second DPTR register
Low EMI Mode (Inhibit ALE)
SPI Serial Interface
Standard 12 Clocks per cycle, the device has an
option to double the speed to 6 clocks per cycle.
TTL- and CMOS-Compatible Logic Levels
Brown-out Detection
Low Power Modes
– Power-down Mode with External Interrupt Wake-up
– Idle Mode
Temperature Ranges:
– Commercial (0°C to +70°C)
– Industrial (-40°C to +85°C)
Packages Available
– 44-lead PLCC
– 40-pin PDIP (Port 4 feature not available)
– 44-lead TQFP
PRODUCT DESCRIPTION
The SST89E554A and SST89V554A are members of the
FlashFlex51 family of 8-bit microcontroller products
designed and manufactured with SST’s patented and pro-
prietary SuperFlash CMOS semiconductor process tech-
nology. The split-gate cell design and thick-oxide tunneling
injector offer significant cost and reliability benefits for SST’s
customers. The devices use the 8051 instruction set and
are pin-for-pin compatible with standard 8051 microcontrol-
ler devices.
The devices come with 40 KByte of on-chip flash
EEPROM program memory which is partitioned into 2
independent program memory blocks. The primary Block 0
occupies 32 KByte of internal program memory space and
the secondary Block 1 occupies 8 KByte of internal pro-
gram memory space.
The 8-KByte secondary block can be mapped to the lowest
location of the 32 KByte address space; it can also be hid-
den from the program counter and used as an independent
EEPROM-like data memory.
In addition to the 40 KByte of EEPROM program memory
on-chip, the devices can address up to 64 KByte of exter-
nal program memory. In addition to 1024 x8 bits of on-chip
RAM, up to 64 KByte of external RAM can be addressed.
The flash memory blocks can be programmed via a stan-
dard 87C5x OTP EPROM programmer fitted with a special
adapter and the firmware for SST’s devices. During power-
on reset, the devices can be configured as either a slave to
an external host for source code storage or a master to an
external host for an in-application programming (IAP) oper-
ation. The devices are designed to be programmed in-sys-
tem and in-application on the printed circuit board for
maximum flexibility. The devices are pre-programmed with
an example of the bootstrap loader in the memory, demon-
strating the initial user program code loading or subsequent
user code updating via the IAP operation. The sample
bootstrap loader is available for the user’s reference and
convenience only; SST does not guarantee its functionality
or usefulness. Chip-Erase or Block-Erase operations will
erase the pre-programmed sample code.
FlashFlex51 MCU
SST89E554A / SST89V554A
SST89E/VE554A FlashFlex51 MCU
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SST89E554RC | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E554RC-25-C-NI | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E554RC-25-C-NJ | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E554RC-25-C-PI | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E554RC-25-C-PJ | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
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